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Principal Software Engineer, AI Development - Careers at Leidos

Leidos

Principal Software Engineer, AI Development - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Software Engineer, AI Development at Leidos

This is not a maintenance role. This is a reinvention role. Join Leidos as a Principal Software Engineer driving AI transformation for critical missions in aviation, healthcare, energy, and safety-critical domains.

Why This Role Matters

Radically remake software systems where failure is not an option. Deliver agentic AI for extreme safety, security, and resilience requirements—accelerating outcomes without compromising trust in regulated, legacy-constrained environments.

Key Responsibilities

  • Technical Leadership: Provide thought leadership on AI/agentic opportunities; architect scalable, secure systems with LLMs, multi-agent workflows, and developer tools.
  • Hands-On Engineering: Build with Python, TypeScript, Go, Java; develop AI pipelines for code analysis, refactoring, and legacy modernization (Java, .NET, COBOL, C++).
  • AI Development: Design agentic orchestration, RAG workflows, human-in-the-loop safety, grounding, and evaluation mechanisms.
  • Collaboration: Partner with product/UX/platform teams; mentor engineers; represent in forums on AI modernization.

Required Qualifications

  • 15+ years experience, senior/principal level.
  • Expertise in distributed systems, developer tools, AI/ML integration.
  • Strong agentic frameworks, RAG, cloud-native (AWS/Azure/GCP), DevSecOps knowledge.
  • Proficiency in modern languages; ability to drive strategy and influence teams.

Be the technical provocateur who biases toward action, disrupting with rigor for missions that matter. Remote US teleworker role with pay range $154,050-$278,475.

Locations

  • Remote, United States, United States (Remote)

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • AI/ML Systems Integrationintermediate
  • Agentic Frameworks & Orchestrationintermediate
  • Distributed Systems Designintermediate
  • Python, Go, Java, TypeScriptintermediate
  • RAG & Vector Databasesintermediate
  • DevSecOps & CI/CDintermediate
  • Cloud-Native Architectures (AWS/Azure/GCP)intermediate

Required Qualifications

  • 15+ years software engineering experience at senior/principal level (experience)
  • Hands-on AI/ML production implementation (experience)
  • Expertise in agentic tools, RAG, microservices (experience)
  • Proficiency in 2+ modern languages (Python, Go, Java, C#) (experience)
  • Deep knowledge of software design patterns & cloud architectures (experience)
  • Proven technical leadership & cross-functional influence (experience)

Responsibilities

  • Lead AI-enabled platform architecture & technical roadmap
  • Design scalable systems integrating LLMs & multi-agent workflows
  • Build production-grade AI tools for code analysis & modernization
  • Prototype & transition AI concepts to enterprise reality
  • Mentor engineers & drive safety/reliability standards
  • Collaborate with product, research & cybersecurity teams

Benefits

  • general: Competitive salary $154K-$278K
  • general: Remote/Teleworker flexibility across US
  • general: Comprehensive health & wellness programs
  • general: Professional development & tuition reimbursement
  • general: 401(k) matching & employee stock purchase
  • general: Generous PTO & paid parental leave

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Remote Teleworker US jobsLeidos CareersAI Engineering United StatesPrincipal Software EngineerEngineeringInformation TechnologySecurity

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Leidos logo

Principal Software Engineer, AI Development - Careers at Leidos

Leidos

Principal Software Engineer, AI Development - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Principal Software Engineer, AI Development at Leidos

This is not a maintenance role. This is a reinvention role. Join Leidos as a Principal Software Engineer driving AI transformation for critical missions in aviation, healthcare, energy, and safety-critical domains.

Why This Role Matters

Radically remake software systems where failure is not an option. Deliver agentic AI for extreme safety, security, and resilience requirements—accelerating outcomes without compromising trust in regulated, legacy-constrained environments.

Key Responsibilities

  • Technical Leadership: Provide thought leadership on AI/agentic opportunities; architect scalable, secure systems with LLMs, multi-agent workflows, and developer tools.
  • Hands-On Engineering: Build with Python, TypeScript, Go, Java; develop AI pipelines for code analysis, refactoring, and legacy modernization (Java, .NET, COBOL, C++).
  • AI Development: Design agentic orchestration, RAG workflows, human-in-the-loop safety, grounding, and evaluation mechanisms.
  • Collaboration: Partner with product/UX/platform teams; mentor engineers; represent in forums on AI modernization.

Required Qualifications

  • 15+ years experience, senior/principal level.
  • Expertise in distributed systems, developer tools, AI/ML integration.
  • Strong agentic frameworks, RAG, cloud-native (AWS/Azure/GCP), DevSecOps knowledge.
  • Proficiency in modern languages; ability to drive strategy and influence teams.

Be the technical provocateur who biases toward action, disrupting with rigor for missions that matter. Remote US teleworker role with pay range $154,050-$278,475.

Locations

  • Remote, United States, United States (Remote)

Salary

154,050 - 278,475 USD / yearly

Estimated Salary Rangehigh confidence

154,050 - 278,475 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • AI/ML Systems Integrationintermediate
  • Agentic Frameworks & Orchestrationintermediate
  • Distributed Systems Designintermediate
  • Python, Go, Java, TypeScriptintermediate
  • RAG & Vector Databasesintermediate
  • DevSecOps & CI/CDintermediate
  • Cloud-Native Architectures (AWS/Azure/GCP)intermediate

Required Qualifications

  • 15+ years software engineering experience at senior/principal level (experience)
  • Hands-on AI/ML production implementation (experience)
  • Expertise in agentic tools, RAG, microservices (experience)
  • Proficiency in 2+ modern languages (Python, Go, Java, C#) (experience)
  • Deep knowledge of software design patterns & cloud architectures (experience)
  • Proven technical leadership & cross-functional influence (experience)

Responsibilities

  • Lead AI-enabled platform architecture & technical roadmap
  • Design scalable systems integrating LLMs & multi-agent workflows
  • Build production-grade AI tools for code analysis & modernization
  • Prototype & transition AI concepts to enterprise reality
  • Mentor engineers & drive safety/reliability standards
  • Collaborate with product, research & cybersecurity teams

Benefits

  • general: Competitive salary $154K-$278K
  • general: Remote/Teleworker flexibility across US
  • general: Comprehensive health & wellness programs
  • general: Professional development & tuition reimbursement
  • general: 401(k) matching & employee stock purchase
  • general: Generous PTO & paid parental leave

Target Your Resume for "Principal Software Engineer, AI Development - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Principal Software Engineer, AI Development - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Principal Software Engineer, AI Development - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Remote Teleworker US jobsLeidos CareersAI Engineering United StatesPrincipal Software EngineerEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Principal Software Engineer, AI Development - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.